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1S2K

Structure of SCP-B a member of the Eqolisin family of Peptidases in a complex with a Tripeptide Ala-Ile-His

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0070007molecular_functionglutamic-type endopeptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE TYR A 1001
ChainResidue
AASN5
ATRP6
AGLU139
AHOH1046

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"14993599","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
Detailsa catalytic site defined by CSA, PubMed 15907842, 14993599
ChainResidueDetails
AGLU136
AGLN53

site_idMCSA1
Number of Residues2
DetailsM-CSA 595
ChainResidueDetails
AGLN53electrostatic stabiliser
AGLU136proton acceptor, proton donor

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PDB entries from 2025-08-06

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